body .side {
    position: fixed;
    top: 0;
    left: 0;
    height: 100%;
    width: 480px;
    float: left;
    overflow: hidden;
    background-image: url(../images/图片2.png);
    border-right: 1px  black solid;

    background-repeat: no-repeat;
    background-position: center;
    background-size: cover;
}
form{
    width: 650px;
    margin-left: 650px;
    margin-top: -20px;
    text-align: center
}


input {
    border: 1px #aaa solid;
    border-radius: 4px;
    background: 0 0;
    text-align: left;
    font-size: 20px;
    width: 438px;
    height: 50px;
    line-height: 50px;
    padding: 0 20px;
    margin-top: 40px;
    float: left;


}

.submit {
    border: 1px #3083ff solid;
    border-radius: 4px;
    background-color: #3487ff;
    box-shadow: 0 5px 8px 0 rgba(24,95,255,.1);
    color: #fff;
    text-align: center;
    font-weight: lighter;
    background-image: linear-gradient(0deg,#398bff,#3083ff);
    width: 478px;
    height: 60px;
    margin: 40px 0 8px;
    font-size: 24px;
    cursor:pointer;
}
.welcome {
    margin-left: 550px;
    margin-top: 50px;
    color: #ffcd26;
    font-size: 30px;
    display: inline-block;

}
.zimu{
    margin-top: 10px;

    margin-left: 550px;
    font-size: 30px;
    display: inline-block;
}
.having{
    width:256px;
    margin-top: -40px;
    float: right;
    font-size: 25px;
    display: inline-block;
}
.having a{
    text-decoration: none;
    color: #fc8989;
}
body .entirety{
    width: 1400px;
}

form span{
    float: left;
    margin-top: 52px;
    margin-left: 10px;
    color: #ff5b5b;



}
